基于質點—彈簧模型的人體軟組織形變技術的研究.pdf

1、哈爾濱工程大學碩士學位論文基于質點—彈簧模型的人體軟組織形變技術的研究姓名：喬冰申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：葉秀芬20081001哈爾濱f：群大學碩十學位論文ABSTRACTAlongwithunceasingconsummationanddevelopmentofthemodemmedicaltechnologytheperfectcombinationofvirtualrealitytechnologyand

2、surgeryformedtheimportantapplicationinmedicalfieldVirtualSurgeryThevirtualsurgeryprovidesthetruereappearanceofsurgicalsceneinvisionandtouchfortheusers，itcanappliedinsurgeontraining，surgicalevaluationoftheresultandsurgica

3、lnavigationetcVirtualsurgeryplaysanimportantroleinextendingsurgerytrainingandcomplicatedoperation。AsaresultofthedoctorscontactmostisthesofttissueinsurgerySOthesimulationofsofttissuedeformationisoneofthekeytechnologiesinv

4、irtualsurgeryanditregulatesthedevelopmentofvirtualsurgeryDuringthesimulationofsofttissuedeformation，thesystemmustsatisfythestabilityandtheprecisionwhenitgeneratesdeformationAtthesametime，asthesimulationsystemofvirtualsur

5、gerymustguaranteethereal—timeinteraction，Seal—timebecameoneofthemostimportantrequirementsinsofttissuedeformationSo，thedeformationofsofttissueinvirtualsurgerymustmeettherequirementofstabilityprecisionandrealtimeInthispape

6、rithasaresearchonthetechnologyofsofttissuedeformmioninvirtualsurgerysimulationbasedonthethreeaspectsaboveInstabilitythispapercomparesandanalysesthephysicalmodelsofsofttissuedeformation，andchoosesthemassspringmodeltobuild

7、thesystemByimprovedregularhexagontopologybasedonmassspringmodel，itguaranteesthestabilityindeformingInprecision，byestablishingandanalyzingthedynamicsmodelofthesofttissuedeformation，wechoosemid—pointmethodasthenumericalalg